package com.j2205.hongzhiyuan.filter;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class AuthenFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest req=(HttpServletRequest) servletRequest;
        HttpServletResponse resp=(HttpServletResponse) servletResponse;
        HttpSession session= req.getSession();
        Object currentUser = session.getAttribute("user");
        if(currentUser!=null){
            System.out.println("当前用户："+currentUser);
            filterChain.doFilter(servletRequest,servletResponse);
        }else{
            resp.sendRedirect("/Login.html");
        }
    }

    @Override
    public void destroy() {

    }
}
